found problem, water and air did reflect particles, how to access differend SDs???
	modified:   include/NSHit.hh
	modified:   src/NSDetectorConstruction.cc
	modified:   src/NSEventAction.cc
	modified:   src/NSHit.cc
	modified:   src/NSRunAction.cc
	modified:   src/NSSD.cc
	modified:   vis.mac
kate says looks fine
	modified:   src/NSDetectorConstruction.cc
	modified:   vis.mac
everything working
	new file:   energies.mac
	modified:   src/NSEventAction.cc
	modified:   src/NSRunAction.cc
	modified:   src/NSSD.cc
	modified:   vis.mac